Sharp ER-A440 Service Manual page 11

3) Pin description
PIN SIGNAL
SYMBOL
No. NAME OUT
1
2
3 VSS VSS
4 P10 ERC OUT
5 P11 LDRQ OUT
6 P12 /SHEN
7 P13 /FRES OUT
8 P14 BUSY
9
10
11 P17
12 D0 D0
13 D1 D1
14 D2 D2
15 D3 D3
16 D4 D4
17 D5 D5
18 D6 D6
19 D7 D7
20 VSS VSS
21 A0 A0 OUT
22 A1 A1 OUT
23 A2 A2 OUT
24 A3 A3 OUT
25 A4 A4 OUT
26 A5 A5 OUT
27 A6 A6 OUT
28 A7 A7 OUT
29 A8 A8 OUT
30 A9 A9 OUT
31 A10 A10 OUT
32 A11 A11 OUT
33 A12 A12 OUT
34 A13 A13 OUT
35 A14 A14 OUT
36 A15 A15 OUT
37 VSS VSS
38 A16 A16 OUT
39 A17 A17 OUT
40 A18 A18 OUT
41 A19 A19 OUT
42 A20 A20 OUT
43 A21 A21 OUT
44 A22 A22 OUT
45 A23 A23 OUT
46 VSS VSS
47 /WAIT /WAIT
48 OUT
49 /BREQ /BREQ
50 P33 DOPS
51 P34 /DR0 OUT
52 P35 /DR1 OUT
53 P36 NU
54 P37 NU
55 VCC VCC
56 P40 /IFV
57
IN/
FUNCTION
RESET INPUT from CKDC WUTH
IN
BUFFER
NON-MASKABLE INTERRUPT INPUT
IN
FOR SSP INTERRUPT INPUT
GND
EVENT READ CANCEL (to CKDC)
LOAD REQUEST (to CKDC)
IN SHIFT ENABLE (from CKDC)
FISCAL MEMORY RESET (NU)
IN FISCAL MEMORY BUSY (NU) Pull-up
FISCAL MEMORY READY (NU)
IN
Pull-up
POP-UP DISPLAY SENSOR (NU)
IN
Pull-up
IN GND Nu
I/O DATA BUS 0
I/O DATA BUS 1
I/O DATA BUS 2
I/O DATA BUS 3
I/O DATA BUS 4
I/O DATA BUS 5
I/O DATA BUS 6
I/O DATA BUS 7
GND
ADDRESS BUS 0
ADDRESS BUS 1
ADDRESS BUS 2
ADDRESS BUS 3
ADDRESS BUS 4
ADDRESS BUS 5
ADDRESS BUS 6
ADDRESS BUS 7
ADDRESS BUS 8
ADDRESS BUS 9
ADDRESS BUS 10
ADDRESS BUS 11
ADDRESS BUS 12
ADDRESS BUS 13
ADDRESS BUS 14
ADDRESS BUS 15
GND
ADDRESS BUS 16
ADDRESS BUS 17
ADDRESS BUS 18
ADDRESS BUS 19
ADDRESS BUS 20
ADDRESS BUS 21
ADDRESS BUS 22
ADDRESS BUS 23
GND
IN Wait signal from MPCA
Bus control request acknowl edge (Nu)
IN Bus control request (Nu) pull-up
IN Drawer open sencer signal
Drawer open drive signal
Option drawer 1 drive signal
IN (Nu) GND
IN (Nu) GND
+5V
IN Slip printer enable (Nu) pull-up
Printer (Dp-730) timing signal from
IN
MPCA
PIN SIGNAL
SYMBOL
No. NAME
58 P42 /TOF
59 P43 /BOF
60
61 P45 /NEJ
62
63 P47 /NER
64 VSS VSS
65 P50 TRG1
66 P51 /PSTOP
67 P52 /CKDCR2
68 P53 OPDS
69 P54 FVPON
70 P55 FMRS
71 P56 /SLIPLMP
72 P57 /STOP
73
74
75
76
77
78
79
80
81 VSS VSS
82 AVSS AVSS
83 P70 VPJ
84 P71 VPR
85 P72 VPTEST
86 P73
87 AVCC AVCC
88 VCC VCC
89 P80 /iRQ0
90
91 P82 /iRQ2
92 P83 SCK2
93 P84 RXD
94 P85 TXD
95
96
97 VSS VSS
98 EXTAL EXTAL
99 XTAL XTAL
100 VSS VSS
101
102 E
103 /AS /AS
104 /RD /RD
105 /HWR /WR
106 /LWR
107 /RFSH /RFSH
108 VCC VCC
109 MD0 MD0
110 MD1 MD1
111 MD2 MD2
112 /STBY /STBY
4 – 4
IN/
FUNCTION
OUT
IN Slip TOF signal (Nu) pull-up
IN Slip BOF signal (Nu) pull-up
Printer (Dp-730) Reset signal from
IN
MPCA
IN Near END signal jounal
CKDC interface shift enable signal
IN
(NU) GND
IN Near END signal receipt
GND
OUT Dot pulse adjust signal
OUT Nu
OUT Nu
IN Nu (GND)
OUT Nu
IN Nu (GND)
OUT Nu
OUT Nu
ER signal for RS232 (Equipment
OUT
Ready)
IN DR signal for RS232 (Data set Ready)
CS signal for RS232 (Clear to Send)
IN
IN CD signal for RS232 (Carrier Detect)
RR signal for RS232 (Ready to
OUT
Receive) (Nu)
OUT RS signal for RS232 (Request to Send)
CI signal for RS232 (Calling Indicator)
IN
Printer (Dp-730) Home position pulse
IN
GND
IN GND
IN Validation sensor journal (NU) GND
IN Validation sensor receipt (NU) GND
IN +24V test input
IN Validation sense signal (Nu) GND
IN +5V
+5V
IN Interrupt signal 0 from MPCA
Interrupt signal from OPTION PWB
IN
IN Interrupt signal (Nu) pull-up
OUT CKDC & FMC i/F sync shift clock
IN RS232C RECEIVE DATA
OUT RS232C SEND DATA
CKDC, Fiscal memory unit I/F shift
IN
input data
CKDC, Fiscal memory unit I/F shift
OUT
output data
GND
IN X-TAL (14.7456MHz)
IN X-TAL (14.7456MHz)
GND
OUT System clock (7.3728MHz)
OUT E clock (NU)
OUT Address strobe
OUT Read
OUT Write
OUT Nu
OUT Refresh cycle (NU)
+5V
IN +5V (MODE 3)
IN +5V (MODE 3)
IN GND (MODE 3)
IN +5V (Nu)